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EN 1.4982 Stainless Steel vs. A390.0 Aluminum

EN 1.4982 stainless steel belongs to the iron alloys classification, while A390.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN 1.4982 stainless steel and the bottom bar is A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 28
0.87 to 0.91
Fatigue Strength, MPa 420
70 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Tensile Strength: Ultimate (UTS), MPa 750
190 to 290
Tensile Strength: Yield (Proof), MPa 570
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 290
640
Maximum Temperature: Mechanical, °C 860
170
Melting Completion (Liquidus), °C 1430
580
Melting Onset (Solidus), °C 1390
480
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 13
130
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
20
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
67

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 4.9
7.3
Embodied Energy, MJ/kg 71
140
Embodied Water, L/kg 150
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 830
240 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 27
19 to 30
Strength to Weight: Bending, points 23
27 to 36
Thermal Diffusivity, mm2/s 3.4
56
Thermal Shock Resistance, points 17
9.0 to 14

Alloy Composition

Aluminum (Al), % 0
75.3 to 79.6
Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 61.8 to 69.7
0 to 0.5
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 5.5 to 7.0
0 to 0.1
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
16 to 18
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0.15 to 0.4
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.2